TY - DATA T1 - (a) Emission pathways and (b) consumptions losses for the reference scenario with weak polices (WeakPol), as well as for stabilization scenarios with a cumulative emissions budget of 2500 GtCO2e, with immediate (immediate) or delayed implementation of comprehensive emissions reductions (Frag2015, Frag2020, Frag2030) PY - 2013/09/17 AU - Gunnar Luderer AU - Robert C Pietzcker AU - Christoph Bertram AU - Elmar Kriegler AU - Malte Meinshausen AU - Ottmar Edenhofer UR - https://iop.figshare.com/articles/figure/_a_Emission_pathways_and_b_consumptions_losses_for_the_reference_scenario_with_weak_polices_WeakPol_/1011627 DO - 10.6084/m9.figshare.1011627.v1 L4 - https://ndownloader.figshare.com/files/1479452 KW - ccs KW - scenario KW - 21 st century warming KW - technology availability KW - frag KW - progress KW - 2500 GtCO 2e KW - emissions reductions KW - climate mitigation challenges KW - implementation KW - impact KW - Achievable temperature targets rise KW - Environmental Science N2 - Figure 3. (a) Emission pathways and (b) consumptions losses for the reference scenario with weak polices (WeakPol), as well as for stabilization scenarios with a cumulative emissions budget of 2500 GtCO2e, with immediate (immediate) or delayed implementation of comprehensive emissions reductions (Frag2015, Frag2020, Frag2030). Abstract While the international community aims to limit global warming to below 2 ° C to prevent dangerous climate change, little progress has been made towards a global climate agreement to implement the emissions reductions required to reach this target. We use an integrated energy–economy–climate modeling system to examine how a further delay of cooperative action and technology availability affect climate mitigation challenges. With comprehensive emissions reductions starting after 2015 and full technology availability we estimate that maximum 21st century warming may still be limited below 2 ° C with a likely probability and at moderate economic impacts. Achievable temperature targets rise by up to ~0.4 ° C if the implementation of comprehensive climate policies is delayed by another 15 years, chiefly because of transitional economic impacts. If carbon capture and storage (CCS) is unavailable, the lower limit of achievable targets rises by up to ~0.3 ° C. Our results show that progress in international climate negotiations within this decade is imperative to keep the 2 ° C target within reach. ER -